P1051 Nissan Code - Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2
Quick Answer
The Engine Control Module (ECM) performs ON/OFF duty control of the Air Fuel Ratio (A/F) Sensor 1 heater corresponding to the engine operating condition to keep the temperature of A/F Sensor 1 element at the specified range. Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1051 Nissan indicates Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2.
- Common causes
- Common causes include Faulty Air Fuel Ratio Sensor 1 Bank 2, Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted, Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1051 Nissan Description
What are the Possible Causes of the DTC P1051 Nissan?
- Faulty Air Fuel Ratio Sensor 1 Bank 2
- Air Fuel Ratio Sensor 1 Bank 2 harness is open or shorted
- Air Fuel Ratio Sensor 1 Bank 2 circuit poor electrical connection
How to Fix the DTC P1051 Nissan?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
2005 Nissan Altima
2006 Nissan Altima
2005-2006 Nissan Altima Factory Service Bulletin P1051 OBDII Code
2004 Nissan Maxima w/ 5 Speed Automatic Transmission
2004 Nissan Quest w/ 5 Speed Automatic Transmission
2004 Nissan Maxima, Quest Factory Service Bulletin P1051 OBDII Code
2004 Nissan Maxima w/ Manual Transmission or 4 Speed Automatic Transmission
2004 Nissan Quest w/ 4 Speed Automatic Transmission
2004 Nissan Maxima, Quest Factory Service Bulletin P1051 OBDII Code
2004 Nissan Armada
2004 Nissan Titan
2004 Nissan Armada/Titan Factory Service Bulletin OBDII Code P1051
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1051 Nissan code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Nissan Models
- P1051 2005 Nissan Altima Sedan — Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2
- P1051 2004 Nissan Maxima — Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2
- P1051 2005 Nissan Maxima — Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2
Frequently Asked Questions about P1051 Nissan Code
1. What are common symptoms of OBDII code P1051 in a Nissan related to the Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2?
- Common symptoms include poor fuel economy, rough idling, engine misfires, and an illuminated check engine light.
2. What are the possible causes of OBDII code P1051 in a Nissan?
- The code P1051 can be triggered by a faulty air fuel ratio sensor, damaged wiring or connectors, a blown fuse, or a malfunctioning heater control circuit.
3. How can I diagnose the issue causing OBDII code P1051 in my Nissan?
- To diagnose the issue, you should first check the wiring and connectors for any damage or corrosion, test the sensor's resistance, and verify the heater circuit for continuity.
4. Can I continue driving my Nissan with OBDII code P1051 present?
- It is not recommended to drive your vehicle with the code P1051 active, as it can lead to poor engine performance and potential damage if left unresolved.
5. How can I repair OBDII code P1051 related to the Air Fuel Ratio Sensor 1 Heater Control Circuit Low Bank 2 in my Nissan?
- Repairing the issue involves replacing the faulty air fuel ratio sensor, repairing any damaged wiring or connectors, checking and replacing fuses if necessary, or repairing the heater control circuit.
6. Will resetting the OBDII code P1051 in my Nissan make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not fixed, the code is likely to reappear.
7. How much does it typically cost to repair OBDII code P1051 in a Nissan at a mechanic?
- The cost of repair can vary depending on the exact cause of the issue, but it typically ranges from $200 to $500, including parts and labor.
8. Are there any preventive measures to avoid OBDII code P1051 in a Nissan?
- Regular maintenance, such as checking and replacing sensors as recommended by the manufacturer, can help prevent issues leading to code P1051.
9. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P1051 in a Nissan?
- Yes, with the right tools and knowledge, a DIY enthusiast can diagnose and repair the issue causing code P1051, such as replacing the air fuel ratio sensor or repairing wiring.
10. How long does it take to repair OBDII code P1051 in a Nissan?
- The repair time can vary depending on the exact cause and the skill level of the person performing the repair, but it typically takes 1-3 hours at a mechanic's shop.
Discuss the causes and fixes for P1051 Nissan OBDII Code
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where is the location of the low bank 2 air fuel ratio sensor on 2004 nissan murano?
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where is the location of bank 2 Air fuel sensor 1 heater on Pathfinder 2006
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Images with the sensor location for the Nissan Pathfinder here: http://nissanhelp.com/diy/p...
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where is the location of Bank2 A/f sensor 1 and h02s1 heater bank 2 on 2006 Nissan Xterra SE 2wd
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2004-2013 Nissan Armada Air Fuel Ratio (A/F) Sensor and Oxygen (O2) Sensor Location
Read more: http://nissanhelp.com/diy/a...
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